71312134995 has 16 divisors (see below), whose sum is σ = 126777129120. Its totient is φ = 38033138592.

The previous prime is 71312134969. The next prime is 71312135003. The reversal of 71312134995 is 59943121317.

71312134995 is a `hidden beast` number, since 7 + 131 + 21 + 3 + 499 + 5 = 666.

It is not a de Polignac number, because 71312134995 - 2⁷ = 71312134867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 71312134995.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264118884 + ... + 264119153.

It is an arithmetic number, because the mean of its divisors is an integer number (7923570570).

Almost surely, 2^71312134995 is an apocalyptic number.

71312134995 is a deficient number, since it is larger than the sum of its proper divisors (55464994125).

71312134995 is a wasteful number, since it uses less digits than its factorization.

71312134995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528238051 (or 528238045 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The spelling of 71312134995 in words is "seventy-one billion, three hundred twelve million, one hundred thirty-four thousand, nine hundred ninety-five".